Plenty of time to wrap up all my Top Band awards! :)
Dick
At 04:55 AM 9/20/2010, Bill Hawkins wrote:
Science just ran with a significant story that
is getting lots of press:
<http://news.sciencemag.org/sciencenow/2010/09/say-goodbye-to-sunspots.html>Say
goodbye to sunspots
Heres a prominent excerpt:
The last solar minimum should have ended last
year, but something peculiar has been happening.
Although solar minimums normally last about 16
months, the current one has stretched over 26
monthsthe longest in a century. One reason,
according to a paper
<http://arxiv.org/abs/1009.0784v1>submitted to
the International Astronomical Union Symposium
No. 273, an online colloquium, is that the
magnetic field strength of sunspots appears to be waning.
Scientists studying sunspots for the past 2
decades have concluded that the magnetic field
that triggers their formation has been steadily
declining. If the current trend continues, by
2016 the suns face may become spotless and
remain that way for decadesa phenomenon that in
the 17th century coincided with a prolonged period of cooling on Earth.
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Dick Flanagan K7VC
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